Teacher's Pet
Atomic Mass
Demonstrate the complex process of calculating a weighted atomic mass. Given the atomic mass of isotopes of a sample, the lesson instructor models the calculation. Multiple examples give learners the opportunity to review the process.
Teacher's Pet
The Nucleus
Explore the makeup of the atomic nucleus. A video lesson describes the subatomic particles of the nucleus. The instructor explains the connection between the mass and atomic numbers and the isotopes of an atom.
Teacher's Pet
Atoms
Discover the relationship between mass number, atomic number, and the makeup of the atom. The video instructor explains how to determine the number of each subatomic particle from the atomic and mass number. She demonstrates multiple...
Veritasium
What Are Atoms and Isotopes?
Atoms may make up everything, but what are they made of? The narrator asks patrons at a local park what atoms are in an interview-style video. He then creates an atomic model and adds a neutron to it, opening the discussion to isotopes.
Fuse School
Why Aren't All Atomic Masses Whole Numbers?
Since an atom can't have a partial neutron, the atomic mass should always be a whole number, but it isn't! An interactive video lesson explains how the atomic mass number from the periodic table incorporates the isotopes of an element....
Veritasium
Where Does The Sun Get Its Energy?
How does the sun give us light and heat? Discover what's really going on inside the centerpiece of our solar system in a brief video. The content includes common misconceptions about the sun's source of energy, how the simple elements...
Crash Course
A Brief History of the Universe
No one was actually there to see the birth of the universe, but years of collaboration between physicists and mathematicians allow us to glimpse all but a fraction of a second of it. A narrated journey shows the phase changes...
MinutePhysics
How To Discover Weird New Particles | Emergent Quantum Quasiparticles
Creating new particles is only limited by the imagination. An entertaining video lesson shows scholars how scientists manipulate known particles, atoms, and molecules to create new particles. The instructor discusses many examples as...
Crash Course
Neutron Stars
This is one heavy video! Introduce the topic of neutron stars with a brief but informative resource. Young astronomers discover the history of neutron star research, the conditions present in and around a neutron star, and the...
Fuse School
What are Radioactive Isotopes (Radionuclides)
Create a little excitement with a radioactive resource! An engaging lesson builds a solid understanding of the nature of radioactive isotopes. The narrator explains the desire of a nucleus to become stable, which leads to radioactive...
Fuse School
Atomic Number and Mass Number
Discover the significance of the atomic number and mass number. A video lesson describes the relationship between the two numbers and the subatomic particles. The instructor leads several examples that use the two numbers to determine...
Fuse School
In Depth: Atomic Mass Units
The facts are in the numbers! Using atomic mass units, a video lesson explains the carbon atom as the reference mass. Building from that idea, the narrator describes the relative isotopic mass.
Fuse School
The Atom: Part 2 - Isotopes
How can atoms with different masses be the same element? An interactive video lesson describes the meaning of an isotope. The instructor emphasizes the relationship among the subatomic particles. The lesson continues by discussing...
Fuse School
The Atom: Part 1
Learn the ins and outs of the particles we call atoms. A thorough video lesson describes the atom as a building block. The instructor discusses the periodic table as a reference to atoms and then explains the parts of the atom in detail.
TED-Ed
What Are the Challenges of Nuclear Power?
Engineering challenges, construction costs, and disasters are some of the challenges when it comes to nuclear energy. Watch a video that explains each of these and more in detail.
SciShow
Strong Interaction: The Four Fundamental Forces of Physics #1a
The strong force holds quarks together to form hadron particles, which include baryons and mesons. Common baryons, such as protons and neutrons, are the focus of a video that shows how they use the strong force. Then it explains the...
SciShow
Strong Interaction: The Four Fundamental Forces of Physics #1b
There is a force stronger than electricity or gravity, so scientists named it the strong force. The video continues the explanation of the strong force and the way it works. It also describes the limitations, such as only working in very...
Fuse School
What is a Weighted Average?
Have you ever wondered why the atomic mass listed on the periodic table isn't a whole number? This video explains how weighted averages are calculated and relates the average to the relative atomic mass. Viewers are then given an element...
Bozeman Science
Atoms and the Periodic Table
After discovering plutonium, Glenn Seaborg was given the opportunity to determine its periodic symbol. Rather than going with the obvious Pl, he went with Pu as a joke. The designation was approved and is now on every periodic...
Bozeman Science
History of the Atom
Viewers learn about the history of our knowledge of atoms through the discoveries of eight different scientists: Mendeleev, Democritus, Dalton, Thompson, Schrodinger, Bohr, Rutherford, and Chadwick.
DoodleScience
Atomic Structure
The Rutheford plum pudding model of an atom, as well as the nuclear model, are the subject of a video that also includes an explanation of protons, neutrons, electrons, nucleus, atomic mass, atomic charge, and ions.
Crash Course
The Nucleus
Einstein didn't just discover relativity, he proved the existence of atoms in 1905 — more than 110 years ago. Discover how he did it and begin learning about basic chemistry: parts of an atom, atomic mass, atomic number, and how to read...
Educreations
Electron Configuration Example
What does an atom look like? The instructor in a tutorial video models how to use the periodic table to determine the number of subatomic particles. He then uses the number of electrons to create an orbital diagram. Finally, Groves...
Ricochet Science
Understanding Atomic Number and Atomic Mass
The amount of information you can learn about an element from the periodic table is amazing! Young scientists learn how to interpret the atomic number and atomic mass. Using a carbon atom as an example, the instructor describes the...